CN202997008U - Cooling structure of lithium ion battery pack - Google Patents
Cooling structure of lithium ion battery pack Download PDFInfo
- Publication number
- CN202997008U CN202997008U CN2012207092814U CN201220709281U CN202997008U CN 202997008 U CN202997008 U CN 202997008U CN 2012207092814 U CN2012207092814 U CN 2012207092814U CN 201220709281 U CN201220709281 U CN 201220709281U CN 202997008 U CN202997008 U CN 202997008U
- Authority
- CN
- China
- Prior art keywords
- cooling
- lithium ion
- ion battery
- heat
- fin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 45
- 238000001816 cooling Methods 0.000 title abstract description 26
- 238000007664 blowing Methods 0.000 claims description 8
- 238000010079 rubber tapping Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 229910052744 lithium Inorganic materials 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 description 8
- 230000005855 radiation Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model belongs to the field of lithium batteries and specifically relates to a cooling structure of a lithium ion battery pack. The cooling structure comprises a plurality of cooling grooves and cooling fins, wherein a plurality of ribs are arranged on the front surface of each cooling groove, one cooling fin is press on one rib of the cooling groove to form a cooling unit, the plurality of cooling units are arranged side by side, and electric cores placing lithium ion batteries are placed between the cooling units. The cooling structure disclosed by the utility model is provided with the cooling fins and the cooling grooves, and the cooling fins and the cooling grooves are mutually matched for forming the plurality of cooling units so as to ensure that one cooling groove is arranged on each of the two sides of each lithium ion electric core, thereby realizing faster cooling effect. The other side of each cooling fin is tightly jointed with the cooling groove for combining together so as to provide sufficient strength support for the cooling fins and simultaneously provide cooling channels for the cooling fins.
Description
Technical field
The utility model belongs to the lithium battery field, is a kind of lithium ion battery group radiator structure concretely.
Background technology
In order to reach certain voltage, power and energy grade, battery system need to be with using after a plurality of battery core series and parallel connections combinations, as power battery module, energy-storage system module etc.The characteristics such as lithium ion battery has high voltage, low self-discharge, have extended cycle life are widely applied in every field.But in case large-scale high-power long use just inevitably can run into the problem of battery heat radiation, if untimely exothermic temperature has surpassed the serviceability temperature of lithium ion battery, the efficient of lithium ion battery is reduced greatly, life-span also shortens greatly, even can produce security incident.
have now the heat dissipation of lithium battery structure is carried out improved patent, be CN200910149832.9 as application number, the applying date is 2009-6-19, name is called the patent of invention of " radiating explosion-proof packaging lithium battery of grid window air flue ", its technical scheme is: the invention discloses a kind of radiating explosion-proof packaging lithium battery of grid window air flue, be provided with the air flue outlet, the air inlet road junction, the chassis shell of grid window, the power connection end bolt, the single lithium battery lug, the heat radiation pressing plate, single lithium battery, there is the rib heat-conducting plate in the left side, there is the rib heat-conducting plate on the right side, hold-down bolt forms, between two single lithium battery, that the left side forms grid window air flue by rib heat-conducting plate and right side by the rib heat-conducting plate, single lithium battery discharges and recharges heating can be by grid window air flue and chassis shell outer air heat loss through convection.There is following weak point in above-mentioned patent: 1. be the interlaced formation heat dissipation channel of rib that has on the rib heat-conducting plate by left and right two between two lithium ion batteries in this patent, while and heat dissipation channel only need to have rib to be that the heat radiation pressing plate just can form be radiator structure in this patent.by left and right two costs that have the interlaced formation heat dissipation channel of rib on the rib heat-conducting plate not only to increase processing, and it has also reduced the cross-sectional area of heat dissipation channel, has affected radiating effect, in its 2. this patent structure, the lithium ion battery of the right and left is all that to adopt on one side what have that rib heat-conducting plate heat radiation another side namely adopts near that face of tank wall be that the heat radiation pressing plate dispels the heat, the heat-conducting mode on lithium ion battery two sides is different, cause radiating effect also different, thereby easily cause the two sides of this lithium ion battery to form the larger temperature difference, affect performance and the life-span of this lithium ion battery, 3. the inside dimension of the chassis shell in this patent is certain, and there is certain scale error in the size of the thickness of lithium battery, when a plurality of lithium ion battery stacks are put together, corresponding error is simultaneously also in stack, to such an extent as to lithium ion battery and cabinet inwall exist gap or last lithium ion battery can't put at all in cabinet to such an extent as to probably occur at last being placed on, and bolt thrust Main Function is on casing, little to the effect in cabinet, thereby cause lithium ion battery and the heat radiation pressing plate in cabinet and have the rib heat-conducting plate not compress, thereby cause radiating effect not good.
The utility model content
The problems referred to above that exist in order to overcome existing lithium ion group propose a kind of lithium ion battery group radiator structure now.
For realizing above-mentioned technique effect, the technical solution of the utility model is as follows:
A kind of lithium ion battery group radiator structure, it is characterized in that: comprise a plurality of radiating grooves and fin, each radiating groove front arranges many roots bar, fin is pressed together on the rib of a radiating groove and forms a heat-sink unit, described a plurality of heat-sink unit is arranged side by side, and is placed with the battery core of lithium ion battery between each heat-sink unit.
The two sides of described a plurality of heat-sink units are respectively arranged with fixed side and mobile side plate, and the both ends of the surface of described a plurality of heat-sink units are respectively arranged with baffle plate, and the bottom of described a plurality of heat-sink units is provided with base.
The inboard of described fixed side and mobile side plate all is provided with groove.
The baffle plate inboard of described one of them end face is provided with perforate, and tapping is provided with fan blowing, on the baffle plate of other end, perforate is set, and tapping is provided with extractor fan.
Described fixed side and base are fixed.
Described fixed side is connected with mobile side plate by rod assembly, and described rod assembly comprises the lead screw of passing fixed side and mobile side plate, be arranged on nut on the lead screw in the fixed side outside, be arranged on the nut on the lead screw in the mobile side plate outside.
Be provided with temperature sensor on described fin.
Be provided with groove on described base.
The utility model has the advantage of:
1, the utility model is provided with heating panel and radiating groove, and heating panel and radiating groove cooperatively interact, and forms a plurality of heat-sink units, guarantees that there is a radiating groove on the both sides of each lithium-ion electric core, thereby can dispel the heat faster.
Thereby 2, tightly fit with radiating groove and combine in other one side of the utility model fin, also provides heat dissipation channel to fin when enough strength support is provided to fin.
3, the utility model has all been opened a groove in the inboard of fixed side and mobile side plate, can just put in radiating groove, and the outmost battery core in whole like this module both sides also can have two radiating grooves to dispel the heat.
4, the runner of radiating groove is the straight line design of carrying out, concrete well air cooling effect.
5, radiating groove of the present utility model is installed fan blowing on one side, Yi Bian extractor fan is installed in addition, can be rapidly the heat of fin and radiating groove bottom be taken away, thereby can be reached extraordinary radiating effect.
6, mobile side plate can move left and right on base plate along lead screw, the convenient number of batteries that increases or reduce in battery pack.
7, stick a temperature sensor on fin, control the air force of blowing blower fan and exhausting blower fan by circuit according to the size of temperature sensor, thereby can effectively accelerate the thermal release on fin.
8, the groove on base is convenient to the movement of mobile side plate, simultaneously also for screw-clamped is installed, makes each lithium ion battery face balanced with the contact of heating panel, more is conducive to the transmission of heat.
Description of drawings
Fig. 1 is fin of the present utility model and radiating groove schematic diagram.
Fig. 2 is the utility model internal heat dissipation structures figure.
Fig. 3 is the utility model radiator structure overall diagram.
Fig. 4 is the practical lithium ion battery cell of the utility model example.
Embodiment
1-Fig. 4 by reference to the accompanying drawings, a kind of lithium ion battery group radiator structure comprises a plurality of radiating grooves 3 and fin 2, each radiating groove 3 fronts arrange many roots bar, fin 2 is pressed together on the rib of a radiating groove 3 and forms a heat-sink unit, described a plurality of heat-sink unit is arranged side by side, and is placed with the battery core 1 of lithium ion battery between each heat-sink unit.The two sides of a plurality of heat-sink units are respectively arranged with fixed side 5 and mobile side plate 6, and the both ends of the surface of described a plurality of heat-sink units are respectively arranged with baffle plate 7, and the bottom of described a plurality of heat-sink units is provided with base 8.The inboard of fixed side 5 and mobile side plate 6 all is provided with groove.Baffle plate 7 inboards of one of them end face are provided with fan blowing, are provided with extractor fan on the baffle plate 7 of other end.One end of radiating flow passage has perforate that fan blowing is installed, and extractor fan has been installed in another end face perforate that another end face is radiating flow passage, discharges rapidly so that lithium ion battery discharges and recharges the heat of generation.Described fixed side 5 is fixing with base 8.Fixed side 5 is connected with mobile side plate 6 by rod assembly 4, the nut on the lead screw that described rod assembly 4 comprises the lead screw of passing fixed side 5 and mobile side plate 6, be arranged on fixed side 5 outsides, is arranged on the nut on the lead screw in mobile side plate 6 outsides.Be provided with temperature sensor on fin 2.The left and right sides of each lithium-ion electric core 1 respectively is provided with a heat-sink unit, comprises in module Far Left and the lithium ion battery on right both sides.
At first lithium-ion electric core 1 tightly is fitted in one side of fin 2, thereby tightly fit with radiating groove 3 and combine in other one side of fin 2, also provide heat dissipation channel to fin 2 when enough strength support being provided for fin 2, the one side of each lithium-ion electric core 1 fits tightly with heating panel, another side and radiating groove 3 bottoms fit tightly, there is a radiating groove 3 on the both sides that guarantee each lithium-ion electric core 1, thereby can dispel the heat faster.For having radiating groove 3, the both sides that make each lithium-ion electric core 1 dispel the heat, all opened a groove in the inboard of fixed side 5 and mobile side plate 6, can just put in radiating groove 3, the outmost battery core 1 in whole like this module both sides also can have two radiating grooves 3 to dispel the heat.Straight line designs of carrying out due to the runner of radiating groove 3, concrete well air cooling effect.Therefore on one side of radiating groove 3, fan blowing is installed, Yi Bian extractor fan is installed in addition, can be rapidly the heat of fin 2 and radiating groove 3 bottoms be taken away, thereby can be reached extraordinary radiating effect.
By rod assembly 4 at the outer surface cover nut of fixed side 5, the outer surface cover nut of mobile side plate 6, thereby just can clamp the lithium ion battery of different numbers with nut by mobile side plate 6, the both sides that guarantee each lithium-ion electric core 1 can fit tightly under certain pressure with the bottom of fin 2 and radiating groove 3, guarantee that heat energy passes to rapidly the bottom of fin 2 and radiating groove 3 from battery core 1.Simultaneously for the convenient unified lug 9 that connects each lithium-ion electric core 1, lug 9 is all in the outside of fin 2, by being connected with external circuit with the unified conducting strip of being connected at side plate.Stick a temperature sensor on fin 2 again in order to improve radiating efficiency, control the air force of blowing blower fan and exhausting blower fan by circuit according to the size of temperature sensor, thereby can effectively accelerate the thermal release on fin 2.
Be only below concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent version, within all dropping on the desired protection range of the utility model.
Claims (8)
1. lithium ion battery group radiator structure, it is characterized in that: comprise a plurality of radiating grooves (3) and fin (2), each radiating groove (3) front arranges many roots bar, a fin (2) is pressed together on and forms a heat-sink unit on the rib of a radiating groove (3), described a plurality of heat-sink unit is arranged side by side, and is placed with the battery core (1) of lithium ion battery between each heat-sink unit.
2. a kind of lithium ion battery group radiator structure according to claim 1, it is characterized in that: the two sides of described a plurality of heat-sink units are respectively arranged with fixed side (5) and mobile side plate (6), the both ends of the surface of described a plurality of heat-sink units are respectively arranged with baffle plate (7), and the bottom of described a plurality of heat-sink units is provided with base (8).
3. a kind of lithium ion battery group radiator structure according to claim 2, it is characterized in that: the inboard of described fixed side (5) and mobile side plate (6) all is provided with groove.
4. a kind of lithium ion battery group radiator structure according to claim 3, it is characterized in that: the baffle plate of described one of them end face (7) inboard is provided with perforate, tapping is provided with fan blowing, and the baffle plate of other end arranges perforate on (7), and tapping is provided with extractor fan.
5. a kind of lithium ion battery group radiator structure according to claim 4 is characterized in that: described fixed side (5) is fixing with base (8).
6. a kind of lithium ion battery group radiator structure according to claim 5, it is characterized in that: described fixed side (5) is connected with mobile side plate (6) by rod assembly (4), and described rod assembly (4) comprises the lead screw of passing fixed side (5) and mobile side plate (6), be arranged on nut on the lead screw outside fixed side (5), be arranged on the nut on the lead screw outside mobile side plate (6).
7. a kind of lithium ion battery group radiator structure according to claim 6, it is characterized in that: described fin is provided with temperature sensor on (2).
8. a kind of lithium ion battery group radiator structure according to claim 7, it is characterized in that: described base is provided with groove on (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207092814U CN202997008U (en) | 2012-12-20 | 2012-12-20 | Cooling structure of lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207092814U CN202997008U (en) | 2012-12-20 | 2012-12-20 | Cooling structure of lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997008U true CN202997008U (en) | 2013-06-12 |
Family
ID=48568140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207092814U Expired - Lifetime CN202997008U (en) | 2012-12-20 | 2012-12-20 | Cooling structure of lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810865A (en) * | 2016-05-07 | 2016-07-27 | 沈丹 | Power transmission cooling device |
| CN107895823A (en) * | 2017-09-29 | 2018-04-10 | 北京北交新能科技有限公司 | A kind of lithium ion battery temprature control method |
-
2012
- 2012-12-20 CN CN2012207092814U patent/CN202997008U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810865A (en) * | 2016-05-07 | 2016-07-27 | 沈丹 | Power transmission cooling device |
| CN105810865B (en) * | 2016-05-07 | 2018-06-26 | 沈丹 | A kind of power supply transports radiator |
| CN107895823A (en) * | 2017-09-29 | 2018-04-10 | 北京北交新能科技有限公司 | A kind of lithium ion battery temprature control method |
| CN107895823B (en) * | 2017-09-29 | 2019-09-27 | 北京北交新能科技有限公司 | A kind of lithium ion battery temprature control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180426 Address after: 610000 18 West core road, hi-tech West District, Chengdu, Sichuan Patentee after: DONGFANG ELECTRIC Co.,Ltd. Address before: 610036 Shu Han Road, Jinniu District, Chengdu, Sichuan Province, No. 333 Patentee before: DONGFANG ELECTRIC Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |